Originally Posted by SierraJeep
While the sidestand (and center stand) trick works well, be very careful about NOT putting the rotor side down on the ground when you start - especially if you have a newer KTM with the free floating rotors. You can put the sprocket side down or even better pop the sproket off and put the hub on the ground. Cardboard or a shop towel can help keep it clean in the process (if you're trailside).
The video above is done correctly.
There is a 1 x1" block I use in the shop to rest the rim on (sidestand side) to get the hub up off the ground. (shown in video)
On the trail I'll look for a branch or dig a small ditch if need be. (to keep the rotor off the ground. Gotta do what can when on the side of the road.
If you looking for a cheap, strong drop cloth for the trails. You can wrap your tire irons in a USPS shipping bag. They are "Tyvek".
Strong, light weight, and Free.